Esophageal balloon



FIG. 1 is a perspective view of an embodiment of a design for an esophageal balloon;

FIG. 2 is a front view of the embodiment of the esophageal balloon shown in FIG. 1;

FIG. 3 is a top view of the embodiment of the esophageal balloon shown in FIG. 1;

FIG. 4 is a rear view of the embodiment of the esophageal balloon shown in FIG. 1;

FIG. 5 is a bottom view of the embodiment of the esophageal balloon shown in FIG. 1;

FIG. 6 is a first end view of the embodiment of the esophageal balloon shown in FIG. 1; and,

FIG. 7 is a second end view of the embodiment of the esophageal balloon shown in FIG. 1.

Broken lines are used in the drawings to illustrate features that form no part of the claimed design. 

CLAIM The ornamental design for an esophageal balloon, as shown and described. 